Sarcomatoid Carcinoma of Urinary Bladder: a Case Report.

Sarcomatoid carcinoma is an extremely rare aggressive tumor variant comprising about 0.3% of all primary tumors of the urinary bladder and carries an overall dismal prognosis. Diagnosis is important and is sometimes difficult.

Primary Osteosarcoma of the Breast.

Extraskeletal osteosarcomas are extremely rare and account for < 1% of the soft tissue sarcomas. Most common site is in soft tissues of the lower extremities. Primary osteosarcomas of the breast are extremely rare and only a few cases have been reported in literature.

Brachial Plexus Injury After Right Hepatectomy.

Iatrogenic nerve palsies due to faulty positioning on the operating table are commonly seen over the elbow and popliteal fossa. However, injury to the brachial plexus (BP) is rarely encountered and is a recently reported phenomenon due to the increasing number of complex surgeries including hepatobiliary surgical procedures. Brachial plexus injury (BPI) needs to be recognized as a potential complication of prolonged abdominal surgery.

Adenosquamous Carcinoma of the Duodenum: a Rare Entity.

Adenosquamous carcinomas (ASC) of the duodenum are extremely rare neoplasms. They have been reported throughout gastrointestinal tract, including the gastroesophageal junction and the anal canal. Only a few cases of ASC of the small bowel and duodenum have been reported in the literature.